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Three ring grinding
The difference between Sanhuan Grinding and Ultra fine Grinding is not significant. Both use a full negative pressure and squirrel cage micro powder g
Product details
Three ring grindingPurpose:
The three ring medium speed mill is a device for processing ultrafine powder, which is a derivative of Raymond mill. The working principle of the three ring mill is similar to that of Raymond mill, and it also relies on the centrifugal force of the grinding roller to generate crushing power to achieve the purpose of powder production.
The difference between the three ring mill and ultrafine micro grinding is not significant. Both use a fully negative pressure, squirrel cage micro powder classification system, and the fineness can reach3000The main difference lies in the structure of the main machine. The grinding roller of Raymond mill rotates by sliding on the central axis and bearings, while the three ring grinding roller rotates without a central axis and bearing device. Raymond mill is a single ring device, while the three ring mill uses a stepped three-layer grinding ring.
Three ring grinding is mainly suitable for processing Mohs hardness less than9Grade non flammable and explosive brittle materials, such as pigments, glass, shells, silicon carbide, calcium oxide, calcite, chalk, limestone, dolomite, kaolin, bentonite, talc, mica, magnesite, illite, pyrophyllite, vermiculite, sepiolite, attapulgite, zeolite, diatomaceous earth, barite, gypsum, alum, graphite, fluorite, phosphate ore, potassium ore, pumice, etc200Other materials. The hardness of the material determines the length of wear and lifespan. When the Mohs hardness reaches4~6When the level is reached, it will reduce the lifespan of the worn parts.
Working principle of three ring mill:
The main motor of the three ring grinding machine drives the spindle and each layer of turntable to rotate through a reducer. The turntable drives dozens of ring rollers to roll and rotate in the grinding ring raceway through column pins. Large pieces of material are crushed into small particles by a hammer crusher and then sent into a storage bin by a hoist. The electromagnetic vibration feeder evenly sends the material to the middle of the upper turntable. The material disperses towards the circumference under the action of centrifugal force and falls into the raceway of the three ring micro powder mill grinding ring, where it is pressed, rolled, and ground by the ring rollers. After the first layer of crushing, the material falls into the second and third layers. The suction effect of the high-pressure centrifugal fan draws external air into the machine and brings the coarse powder that has been crushed in the third layer into the powder selection machine. The vortex generated by the rotating turbine inside the powder selector causes coarse particles to fall back and grind again, while fine particles enter the cyclone powder collector with the airflow and are discharged as finished products through the discharge valve at the bottom. The airflow with a small amount of fine dust is purified by the pulse dust collector and discharged through the fan and muffler.
Main features of the three ring mill:
1The three ring medium speed grinder is efficient and low consumption. Under the same material, power, and finished product fineness, the output is higher than that of air flow mill and agitator mill40%
2The three ring micro powder grinding machine has a long service life. Under the same fineness of materials and finished products, the wear parts of impact crushers and turbine crushers have a longer service life, generally up to1Years or more.
3There are no rolling bearings or screws inside the grinding chamber. There is no problem of bearings, their seals, or vulnerable screws easily loosening and damaging the machine.
4The fineness of the ultra-fine grinding product can be achieved in one god97≤5μm.
Xinyuan Machinery specializes in producing micro powder grinders, including single ring grinders and triple ring grinders. Welcome customers to visit and inspect!
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model
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Ring roller/Number of roller rings
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Host feeding granularity(mm)
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Finished product granularity
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production
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Motor Power(kW)
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Overall dimensions of complete equipment/LWH(m)
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Weight of the main powder selection machine(t)
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Ring roller(individual)
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Roller Ring(individual)
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micron
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Number of eyes
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host
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Separator
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fan
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Feeder
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Discharge valve
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HGM800
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800
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21
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3
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≤10
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5-47
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2500-325
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0.6-4
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75
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22
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45
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0.06
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0.75
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11.9×2.7×5.8
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7
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HGM100
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1000
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36
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4
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≤10
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5-47
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2500-325
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0.9-6
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110
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30
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75
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0.15
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1.1
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15.5×4.5×8.6
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9.5
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